/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
Initialize mesh from the output of a MeshShapeGenerator (assumesGenerate()was already called)
false if any triangles defined in Generator were skipped due to invalid topology
bool Copy ( const [FMeshShapeGenerator](API\Runtime\GeometryCore\Generators\FMeshShapeGenerator) * Generator )